The electric field in an electromagnetic wave is given as 
, where ω and c are angular frequency and velocity of electromagnetic wave respectively. The energy contained in a volume of 5 x 10 -4 m 3 will be (Given 
= 8. 85 x 10 -12 C 2 N -1 m -2 )
Text Solution
Verified by ExpertsThe correct answer is:
D
Given that, 
The average energy density of an electromagnetic wave is 
The total energy stored is
= 8.85 x 10 -13 J
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